JG
James Griffin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Estill-County, Kentucky
Our Model Tree links this James Griffin across the 1920, 1930 and 1940 US Censuses in Estill-County, Kentucky (XGBoost, ~Confirmed), with identified parents David & Matilda — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Estill-County, Kentucky |
| Surname | Griffin |
| Given Name | James D |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Irvine (City) |
| 1935 Residence (County) | Estill |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 250 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Laborer |
| Township / Ward | Irvine City |
| Est. Birth Year | ~1910 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Margaret Griffin | Daughter | — | 3 | ~1937 |
| James Griffin | Head | — | 30 | ~1910 |
| Ida Ashcraft | Other | — | 27 | ~1913 |
| William Griffin | Son | — | 1 | ~1939 |
| Lillian Griffin | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Estill, Kentucky
Son, age 10
Estill, Kentucky · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Estill, Kentucky
Son, age 20
Estill, Kentucky · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Railroad Shops |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Estill-County, Kentucky
Head, age 30
Estill-County, Kentucky · implied b. ~1910 — 5 household members
| Surname | Griffin |
| Given Name | James D |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Irvine (City) |
| 1935 Residence (County) | Estill |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 250 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links James Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Griffin (~0.92 confidence) and mother Matilda Griffin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Griffin
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Matilda Griffin
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Griffin
Head · 1940 · age 30 · b. ~1910 · Kentucky
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Estill-County, Kentucky
Open full size
1940 US Federal Census — Estill-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01301-00083)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Irene Arnold | 34 | wife | None | Kentucky |
| 2 | Byron Jr Arnold | 8 | son | — | Kentucky |
| 3 | Peggy A Arnold | 6 | daughter | — | Kentucky |
| 4 | Wanda L Arnold | 1 | daughter | — | Kentucky |
| 5 | James D Griffin THIS PERSON | 30 | head | Laborer | Kentucky |
| 6 | Lillian B Griffin | 29 | wife | Machine Operator | Kentucky |
| 7 | Margaret W Griffin | 3 | daughter | — | Kentucky |
| 8 | William D Griffin | 1 | son | — | Kentucky |
| 9 | Ida M Ashcraft | 27 | housekeeper | Housekeeper | Kentucky |
| 10 | John B Wright | 56 | head | Brakeman | Kentucky |
| 11 | Dove A Wright | 53 | wife | None | Kentucky |
| 12 | Charles Wright | 21 | son | Laborer | Kentucky |
| 13 | Marjorie Wright | 18 | daughter | None | Kentucky |
| 14 | Columbus Williams | 44 | head | Mechanical Clerk | Kentucky |
| 15 | Virgil Williams | 38 | wife | None | Kentucky |
| 16 | Kathleen Williams | 18 | daughter | None | Kentucky |
| 17 | Billy Williams | 15 | son | None | Kentucky |
| 18 | Tommy Williams | 6 | son | — | Kentucky |
| 19 | Jack T Eades | 64 | father-in-law | Plummer | Kentucky |
| 20 | Bettie Eades | 60 | mother-in-law | None | Kentucky |
| 21 | Hezekiah Brashear | 77 | head | Proprietor | Kentucky |
| 22 | Lucinda Brashear | 73 | wife | None | Kentucky |
| 23 | Nora Brashear | 30 | daughter | Rural School Teacher | Kentucky |
| 24 | Clara M Cooper | 19 | housekeeper | House Work | Kentucky |
| 25 | Charles L Long | 61 | head | Locomotive Engineer | Kentucky |
| 26 | Mary Long | 36 | daughter | Grade Teacher | Kentucky |
| 27 | Louise Jones | 18 | housekeeper | House Work | Kentucky |
| 28 | Adie C Harris | 64 | head | None | Alabama |
| 29 | Thomas J Harris | 23 | son | None | Alabama |
| 30 | William H Mcgowan | 41 | head | Proprietor | Kentucky |
| 31 | Grace D Mcgowan | 41 | wife | None | Kentucky |
| 32 | Jane F Mcgowan | 12 | daughter | — | Kentucky |
| 33 | Thomas J Rice | 56 | head | Yard Agent | Kentucky |
| 34 | Emma Rice | 55 | wife | None | Kentucky |
| 35 | Donna Cloyd | 26 | daughter | None | Kentucky |
| 36 | Helen Cloyd | 5 | daughter | — | Kentucky |
| 37 | Thelma Allen | 18 | housekeeper | House Work | Kentucky |
| 38 | Bruce Deal | 46 | head | Stenographer For State | Kentucky |
| 39 | Charles R Deal | 22 | son | None | Kentucky |
| 40 | Mettie Moores | 68 | mother | None | Kentucky |
Pedigree Summary
James
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)